Income Taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense
Components of our income tax expense are presented below:
 
Years Ended December 31,
 
2015
 
2014
 
2013
 
(in thousands)
Current income tax expense
 
 
 
 
 
U.S. federal income taxes
$
45

 
$

 
$

State income taxes
154

 
156

 
30

Canadian federal and provincial income taxes
4,742

 
30

 

Total current income tax expense
4,941

 
186

 
30

Deferred income tax expense
 
 
 
 
 
Canadian federal and provincial income taxes
814

 

 

Total deferred income tax expense
814

 

 

Total income tax expense
$
5,755

 
$
186

 
$
30

Schedule of Income before Income Tax, Domestic and Foreign
The components of our income (loss) before income taxes and a reconciliation between income tax expense based on the U.S. statutory income tax rate and our effective income tax expense are presented below:
 
Years Ended December 31,
 
2015
 
2014
 
2013
 
(in thousands)
Domestic
$
3,222

 
$
(2,374
)
 
$
(1,527
)
Foreign
20,226

 
(5,118
)
 
(284
)
Total income (loss) before income taxes
$
23,448

 
$
(7,492
)
 
$
(1,811
)
 
 
 
 
 
 
Income tax expense (benefit) at the U.S. statutory rate
$
7,972

 
$
(2,547
)
 
$
(634
)
Income attributable to partnership not subject to income tax
247

 
933

 
536

Foreign income tax rate differential
(2,303
)
 
313

 
28

Other
135

 

 
10

State income taxes
125

 
156

 
30

Change in valuation allowance
(421
)
 
1,331

 
60

Total income tax expense
$
5,755

 
$
186

 
$
30

Schedule of Deferred Tax Assets and Liabilities
Major components of deferred income tax assets and liabilities associated with our operations are as follows:
 
December 31,
 
2015
 
2014
 
(in thousands)
Deferred income tax assets
 
 
 
Deferred revenues
$
1,245

 
$
1,939

Capital and operating loss carryforwards
424

 
1,496

Valuation allowance
(970
)
 
(1,391
)
 
699

 
2,044

Deferred income tax liabilities
 
 
 
Prepaid expense
673

 
1,098

Property and equipment
775

 
946

 
1,448

 
2,044

Net deferred income tax liability
$
749

 
$